This scope lets an app "View private channel names, member lists, topics, purposes, and latest message"
This OAuth permission scope works with these Web API methods and Events API events.
groups.info - Gets information about a private channel.groups.list - Lists private channels that the calling user has access to.group_archive - A private channel was archivedgroup_close - You closed a private channelgroup_deleted - A private channel was deletedgroup_left - You left a private channelgroup_open - You created a group DMgroup_rename - A private channel was renamedgroup_unarchive - A private channel was unarchivedmember_joined_channel - A user joined a public or private channelmember_left_channel - A user left a public or private channel